From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefan Bader , Francois Romieu , hayeswang , "David S. Miller" Subject: [ 27/73] r8169: fix 8168evl frame padding. Date: Thu, 9 May 2013 15:31:50 -0700 Message-Id: <20130509222800.933087299@linuxfoundation.org> In-Reply-To: <20130509222757.917088509@linuxfoundation.org> References: <20130509222757.917088509@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.8-stable review patch. If anyone has any objections, please let me know. ------------------ From: Stefan Bader commit e5195c1f31f399289347e043d6abf3ffa80f0005 upstream. Signed-off-by: Stefan Bader Acked-by: Francois Romieu Cc: hayeswang Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/realtek/r8169.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -5779,6 +5779,14 @@ static netdev_tx_t rtl8169_start_xmit(st goto err_stop_0; } + /* 8168evl does not automatically pad to minimum length. */ + if (unlikely(tp->mac_version == RTL_GIGA_MAC_VER_34 && + skb->len < ETH_ZLEN)) { + if (skb_padto(skb, ETH_ZLEN)) + goto err_update_stats; + skb_put(skb, ETH_ZLEN - skb->len); + } + if (unlikely(le32_to_cpu(txd->opts1) & DescOwn)) goto err_stop_0; @@ -5850,6 +5858,7 @@ err_dma_1: rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd); err_dma_0: dev_kfree_skb(skb); +err_update_stats: dev->stats.tx_dropped++; return NETDEV_TX_OK;